Rosemary is a Madrigal Clue unlockable by adding Card 67: NY Subway, an uncommon card from Card Pack 1. The amount needed in the Master Serum is one sprig of rosemary. Irina Spasky gave this Clue to Amy in order to gain her trust, in In Too Deep. The Madrigals tried to disguise it as an ordinary plant, growing between the cracks in a New York subway. To unlock this Clue you need to complete the NY Subway Combo: Card 67: NY Subway. This is the easiest card Clue to get, tied with Hydrogen…
